Home / 12,928,624-17,841,041.40-7,048,136.68

Finding the Fourth Proportional to 12,928,624, 17,841,041.40 and 7,048,136.68

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Solution

The fourth proportional to 12,928,624, 17,841,041.40 and 7,048,136.68 is: 9,726,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,624 : 17,841,041.40 = 7,048,136.68 : x
  2. Step 2: Convert to fraction form
    12,928,624/17,841,041.40 = 7,048,136.68/x
  3. Step 3: Cross multiply
    12,928,624x = 17,841,041.40 × 7,048,136.68
  4. Step 4: Simplify right side
    12,928,624x = 125,746,098,300,738.53
  5. Step 5: Solve for x
    x = 125,746,098,300,738.53/12,928,624
  6. Step 6: Final answer
    x = 9,726,178.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.